参数资料
型号: AD8620BRZ
厂商: Analog Devices Inc
文件页数: 10/24页
文件大小: 0K
描述: IC OPAMP JFET 25MHZ DUAL 8SOIC
设计资源: Using AD7328 in Appls with Single-Ended Industrial-Level Signals (CN0047)
标准包装: 1
放大器类型: J-FET
电路数: 2
转换速率: 60 V/µs
增益带宽积: 25MHz
电流 - 输入偏压: 3pA
电压 - 输入偏移: 45µV
电流 - 电源: 3mA
电流 - 输出 / 通道: 45mA
电压 - 电源,单路/双路(±): ±5 V ~ 13 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
产品目录页面: 773 (CN2011-ZH PDF)
AD8610/AD8620
Rev. F | Page 18 of 24
The AD8610/AD8620 maintain this fast settling time when
loaded with large capacitive loads, as shown in Figure 62.
0
500
1000
1500
2000
02
73
0-
0
62
S
E
TT
LI
N
G
T
IM
E
(
s)
CL (pF)
3.0
2.5
2.0
1.5
1.0
0.5
0
ERROR BAND = ±0.01%
Figure 62. AD8610/AD8620 Settling Time vs. Load Capacitance
0
500
1000
1500
2000
02
73
0-
0
63
S
E
TT
LI
N
G
T
IM
E
(
s)
CL (pF)
3.0
2.5
2.0
1.5
1.0
0.5
0
ERROR BAND = ±0.01%
Figure 63. OPA627 Settling Time vs. Load Capacitance
Output Current Capability
The AD8610/AD8620 can drive very heavy loads due to its
high output current. It is capable of sourcing or sinking 45 mA
at ±10 V output. The short-circuit current is quite high and the
part is capable of sinking about 95 mA and sourcing over 60 mA
while operating with supplies of ±13 V. Figure 64 and Figure 65
compare the output voltage vs. load current of AD8610/
AD8620 and OPA627.
0.00001
0.0001
0.001
0.01
0.1
1
0
273
0-
0
64
DE
L
T
A
F
R
O
M
RE
S
P
E
CT
IV
E
RAI
L
(V
)
LOAD CURRENT (A)
10
1
0.1
VCC
VEE
Figure 64. AD8610/AD8620 Dropout from ±13 V vs. Load Current
0.00001
0.0001
0.001
0.01
0.1
1
02
73
0-
0
65
DE
L
T
A
F
R
O
M
RE
S
P
E
CT
IV
E
RAI
L
(
V
)
LOAD CURRENT (A)
10
1
0.1
VEE
VCC
Figure 65. OPA627 Dropout from ±15 V vs. Load Current
Although operating conditions imposed on the AD8610/AD8620
(±13 V) are less favorable than the OPA627 (±15 V), it can be
seen that the AD8610/AD8620 have much better drive capability
(lower headroom to the supply) for a given load current.
Operating with Supplies Greater than ±13 V
The AD8610/AD8620 maximum operating voltage is specified
at ±13 V. When ±13 V is not readily available, an inexpensive
LDO can provide ±12 V from a nominal ±15 V supply.
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